Fume hood

Details Fume hood Fume hood

1975-02-12

1976-03-02

Wayner, William E.

Horizontally supported planar surfaces

Industrial platform

Formed from folded semirigid material

55DIG18, 108150, F23J 1100

Patent

active

039410404

ABSTRACT:
A fume hood includes a polygonal-shaped work top providing three or more equally-spaced work areas. A tubular column with a lower apertured portion is located at the center of the work top for exhausting heavier-than-air gases. A plenum located above the work top and supported by the tubular column is provided with slots located above the work openings for collecting and exhausting lighter-than-air gases. Transparent viewing screens permit inspection of all work locations from a single vantage point. A central pedestal is used to support the hood and to route plumbing and electrical conduits from the floor. The system is easily convertible between up-draft and down-draft exhaust without the need for special baffles.

REFERENCES:
patent: 1194527 (1916-08-01), McNamara
patent: 3228317 (1966-01-01), Westman
patent: 3426512 (1969-02-01), Nesher
patent: 3444799 (1969-05-01), Covington
patent: 3498032 (1970-03-01), Scott
patent: 3537381 (1970-11-01), Austin

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